Recombinant Proteins

Modified or manipulated proteins encoded by recombinant DNA and suitable for a variety of purposes including the modification of gene sequences, mass protein production, and the manufacture of commercial products.

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31 – 45 of 118,333 results

R&D Systems™ Recombinant Human IL-6 Protein

A New rh IL-6 is Available! The new protein has ∼2 fold better activity and is HEK293 expressed!

Pricing & Availability

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R&D Systems™ Recombinant Human GM-CSF Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Pricing & Availability
Specifications

Accession Number	P04141.1
Purity or Quality Grade	97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Gene Alias	colony stimulating factor 2 (granulocyte-macrophage), Colony-stimulating factor, CSF, CSF2, CSF-2, GMCSF, GM-CSF, GMCSFgranulocyte-macrophage colony-stimulating factor, granulocyte-macrophage colony stimulating factor, MGC131935, MGC138897, Molgramostim, molgramostin, sargramostim
Molecular Weight (g/mol)	14 kDa
Gene ID (Entrez)	1437
Source	E. coli-derived human GM-CSF protein Ala18-Glu144
Recombinant	Recombinant
Name	GM-CSF

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R&D Systems™ Recombinant Human IL-6R alpha Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Pricing & Availability

Gibco™ Human M-CSF Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Protein Family	Cytokines & Receptors
Purity or Quality Grade	>95% by SDS-PAGE
Conjugate	Unconjugated
Form	Lyophilized
Common Name	M-CSF
Molecular Weight (g/mol)	38 kDa
Endotoxin Level	<0.1 ng/μg
Activity	ED50 ≤ 5 ng/mL; determined by the dose-dependent proliferation of M-NSF60 cells.
Endotoxin Concentration	<0.1 ng/μg
Expression System	HEK293 cells
For Use With (Application)	Bioactivity
Name	Human M-CSF
Purification Method	Purified
Gene Alias	C87615; colony stimulating factor 1; colony stimulating factor 1 (macrophage); colony-stimulating factor-1 splice variant; CSF1; CSF-1; Csfm; H-MCSF; lanimostim; macrophage colony stimulating factor 1; macrophage colony stimulating factor alpha; macrophage colony stimulating factor beta; macrophage colony-stimulating factor; macrophage colony-stimulating factor 1; macrophage colony-stimulating factor beta; macrophage-colony stimulating factor alpha; MCSF; MCSF alpha; MCSFBETA; MGC31930; M-MCSF; op; osteopetrosis; Processed macrophage colony-stimulating factor 1
Protein Form	Recombinant, Ligand
Biological Activity	ED50 ≤ 5 ng/mL; determined by the dose-dependent proliferation of M-NSF60 cells.
Formulation	Protein with no preservative
Research Category	Cardiovascular Research, Stem Cell Research, Differentiation, Inflammation
Species	Human
Recombinant	Recombinant
Shipping Condition	Wet Ice
Content And Storage	4°C
Gene Symbol	Csf1
Storage Requirements	4°C
Protein Subtype	GM-CSF, G-CSF, & M-CSF
Accession Number	P09603
Regulatory Status	RUO
Product Type	Protein
Gene ID (Entrez)	1435
Product Line	Gibco

R&D Systems™ Recombinant Human/Mouse/Rat Activin A Protein

CHO derived

Pricing & Availability
Specifications

Purity or Quality Grade	>95%, by SDS-PAGE with silver staining.
Conjugate	Unconjugated
Molecular Weight (g/mol)	M.W. (Observed): 14 kDa, reducing conditions 24 kDa, non-reducing conditions; M.W. (theoretical): 13 kDa (monomer)
Gene Symbol	INHBA
Endotoxin Concentration	<0.01 EU / 1 μg of the protein by the LAL method.
Storage Requirements	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20°C to -70°C as supplied. 1 month, 2°C to 8°C under sterile conditions after reconstitution. 3 months, -20°C to -70°C under sterile conditions after reconstitution.
For Use With (Application)	Bioactivity
Protein	Activin A
Source	Chinese Hamster Ovary cell line, CHO-derived Activin A protein Gly311-Ser426
Name	Activin A
Accession Number	P08476
Gene ID (Entrez)	3624
Reconstitution	Reconstitute at 100-500 μg/mL in sterile 4 mM HCl.
Structural Form	Disulfide-linked homodimer
Recombinant	Recombinant

R&D Systems™ Recombinant Human Oncostatin M (OSM) Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Pricing & Availability
Specifications

Purity or Quality Grade	>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Molecular Weight (g/mol)	22 kDa
Gene ID (Entrez)	5008
Storage Requirements	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
Source	E. coli-derived human Oncostatin M/OSM protein Ala26-Arg221
Recombinant	Recombinant
Name	Oncostatin M/OSM

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R&D Systems™ Recombinant Mouse IL-4 Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Pricing & Availability
Specifications

Purity or Quality Grade	97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Gene Alias	B cell growth factor 1, BCDF, B-cell stimulatory factor 1, BCGF1, BCGF-1, binetrakin, BSF1, BSF-1, IL4, IL-4B_cell stimulatory factor 1, IL4E12, interleukin 4, interleukin-4, Lymphocyte stimulatory factor 1, MGC79402, Pitrakinra
Molecular Weight (g/mol)	14 kDa
Gene ID (Entrez)	16189
Storage Requirements	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
Source	E. coli-derived mouse IL-4 protein His23-Ser140,with an N-terminal Met
Recombinant	Recombinant
Name	IL-4

Invitrogen™ DNP-BSA (Albumin from Bovine Serum (BSA), 2,4-Dinitrophenylated)

Commonly used as protein tracer

Pricing & Availability

R&D Systems™ Recombinant Human NT-3 Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Pricing & Availability

R&D Systems™ Recombinant Mouse EGF Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Pricing & Availability

R&D Systems™ Recombinant Human SCF Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Pricing & Availability
Specifications

Purity or Quality Grade	97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Gene Alias	c-kit Ligand, DCUA, DFNA69, DKFZp686F2250, familial progressive hyperpigmentation 2, FPH2, FPHH, KIT ligand, Kitl, KITLG, KL-1, Mast cell growth factor, MGF, MGFSHEP7, SCFStem cell factor, SFc-Kit ligand, SHEP7, SLF, steel factor
Molecular Weight (g/mol)	M.W. (theroretical): 19 kDa
Gene ID (Entrez)	4254
Storage Requirements	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
Source	E. coli-derived human SCF/c-kit Ligand protein Glu26-Ala189,with an N-terminal Met
Recombinant	Recombinant
Name	SCF/c-kit Ligand

Gibco™ Human Flt-3 Ligand (FLT3L) Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Protein Family	Growth Factors & Receptors
Purity or Quality Grade	>95% by SDS-PAGE
Conjugate	Unconjugated
Form	Lyophilized
Common Name	FLT3LG
Molecular Weight (g/mol)	35 kDa
Endotoxin Level	<0.1 ng/μg
Activity	ED50 ≤ 5 ng/mL; determined by the dose-dependent proliferation of human OCI-AML5 cells.
Endotoxin Concentration	<0.1 ng/μg
Expression System	HEK293 cells
For Use With (Application)	Bioactivity
Name	Human Flt-3 Ligand (FLT3L)
Purification Method	Purified
Gene Alias	FL; Flt 3 ligand; Flt3; Flt3 L; Flt3 ligand; Flt3l; Flt3lg; fms related receptor tyrosine kinase 3 ligand; fms related tyrosine kinase 3 ligand; FMS-like tyrosine kinase 3 ligand; fms-related tyrosine kinase 3; fms-related tyrosine kinase 3 ligand; H-FLT-3-L; Ly72L; M-FLT-3-L; NEWGENE_2322792; SL cytokine
Protein Form	Recombinant, Ligand
Biological Activity	ED50 ≤ 5 ng/mL; determined by the dose-dependent proliferation of human OCI-AML5 cells.
Formulation	Protein with no preservative
Classification	Carrier-Free
Research Category	Signal Transduction, Stem Cell Research, Oncology
Species	Human
Recombinant	Recombinant
Shipping Condition	Wet Ice
Content And Storage	4°C
Gene Symbol	FLT3LG
Sequence	TQDCSFQHSP ISSDFAVKIR ELSDYLLQDY PVTVASNLQD EELCGGLWRL VLAQRWMERL KTVAGSKMQG LLERVNTEIH FVTKCAFQPP PSCLRFVQTN ISRLLQETSE QLVALKPWIT RQNFSRCLEL QCQPDSSTLP PPWSPRPLEA TAPTAPQP
Storage Requirements	4°C
Protein Subtype	FLT-3 Ligand
Accession Number	P49771
Regulatory Status	RUO
Reactivity	Human
Product Type	Protein
Gene ID (Entrez)	2323
Product Line	Gibco

R&D Systems™ Recombinant Mouse TGF-beta 1 Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Pricing & Availability
Specifications

Purity or Quality Grade	>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate	Unconjugated
Gene Alias	CEDLAP, DPD1, latency-associated peptide, TGF beta1, TGFB, TGFB1, TGFbeta, TGFbeta 1, TGF-beta 1 protein, TGF-beta-1, transforming growth factor beta-1, transforming growth factor, beta 1
Molecular Weight (g/mol)	12.8 kDa (monomer)
Gene ID (Entrez)	21803
Quantity	5 μg
Structural Form	Disulfide-linked homodimer
Storage Requirements	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
Source	Chinese Hamster Ovary cell line,CHO-derived mouse TGF-beta 1 protein Ala279-Ser390
Recombinant	Recombinant
Name	TGF-beta 1

Gibco™ Human BMP-2 Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Protein Family	Growth Factors & Receptors
Purity or Quality Grade	>95% by SDS-PAGE
Conjugate	Unconjugated
Form	Lyophilized
Common Name	BMP-2
Molecular Weight (g/mol)	25 kDa
Endotoxin Level	<0.1 ng/μg
Activity	ED50 < 1.0 μg/mL; determined by the dose-dependent induction of alkaline phosphatase in mouse ATDC52 chondrogenic cells.
Indicator Cell	mouse chondrogenic cell line ATDC5
Endotoxin Concentration	<0.1 ng/μg
Expression System	E. coli
For Use With (Application)	Bioactivity
Name	Human BMP-2
Purification Method	Purified
Gene Alias	2610024H22Rik; AI467020; AL117858; AW546137; BB189135; BDA2; BMP; BMP2; BMP-2; BMP2A; BMP-2A; BMPRII; BMPR-II; Bone morphogenetic; Bone morphogenetic protein; Bone morphogenetic protein 2; bone morphogenetic protein 2 precursor (BMP-2) (BMP-2A); bone morphogenetic protein 2A; H-BMP-2; morphogen
Protein Form	Recombinant, Ligand
Biological Activity	ED50 < 1.0 μg/mL; determined by the dose-dependent induction of alkaline phosphatase in mouse ATDC52 chondrogenic cells.
Formulation	Protein with no preservative
Classification	Carrier-Free
Research Category	Stem Cell Research, Bone Research
Specific Activity	1.0 x 10⁴ - 1.0 x10³ units⁄mg
Species	Human
Recombinant	Recombinant
Shipping Condition	Wet Ice
Content And Storage	4°C
Gene Symbol	BMP2
Sequence	QAKHKQRKRL KSSCKRHPLY VDFSDVGWND WIVAPPGYHA FYCHGECPFP LADHLNSTNH AIVQTLVNSV NSKIPKACCV PTELSAISML YLDENEKVVL KNYQDMVVEG CGCR
Storage Requirements	4°C
Protein Subtype	BMPs (Bone Morphogenetic Proteins) & Related Factors
Cell Type	Stem Cells
Accession Number	P12643
Regulatory Status	RUO
Reactivity	Human
Product Type	Protein
Gene ID (Entrez)	650
Product Line	Gibco

Invitrogen™ Human IL-2 Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Regulatory Status	RUO
Purity or Quality Grade	>95% by SDS-PAGE
Conjugate	Unconjugated
Form	Lyophilized
Molecular Weight (g/mol)	15 kDa
Formulation	PBS with no preservative
Sequence	Mouse IL-2, amino acids 21-153 (Accession # NP_000577)
For Use With (Application)	Control,ELISA,Immunoprecipitation,Western Blot
Source	Yeast
Name	Human IL-2
Recombinant	Recombinant

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Recombinant Proteins

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R&D Systems™ Recombinant Human IL-6 Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human GM-CSF Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human/Mouse/Rat Activin A Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human Oncostatin M (OSM) Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Mouse IL-4 Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human NT-3 Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Mouse EGF Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human SCF Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Mouse TGF-beta 1 Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human IL-6 Protein

R&D Systems™ Recombinant Human GM-CSF Protein

R&D Systems™ Recombinant Human/Mouse/Rat Activin A Protein

R&D Systems™ Recombinant Human Oncostatin M (OSM) Protein

R&D Systems™ Recombinant Mouse IL-4 Protein

R&D Systems™ Recombinant Human NT-3 Protein

R&D Systems™ Recombinant Mouse EGF Protein

R&D Systems™ Recombinant Human SCF Protein

R&D Systems™ Recombinant Mouse TGF-beta 1 Protein